One of the most significant concerns people have about a trading platform and exchanging cryptocurrencies involves the transaction fees.
You can get comparison for transaction fees with some big cryptocurrencies, not young and small ones with blockchair.com explorer
https://blockchair.com/compare (you can customize the comparison by adding or excluding the coin you want or unwant).
Please remember there are risks of replay attacks on cryptocurrency networks, especially with small networks. Months ago, not too far ago, the Ethereum Classic network was attacked two times in short period.
Check cost of 1hour attack with
https://www.crypto51.app/ then make your decision. With altcoins if you choose them as your transaction method, please move each transaction with only part of your capital, not all.